Aspillaga, Rodolfo <br/><br/>
Communication without radio:  excerpts from the international code of signals 

 - Philippines:  CHED-EMET;  2000. 
 - 29 pages,  23 cm. 
<br/><br/><label>ISBN: </label>9718400133 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication-International Code of Signals
<br/><br/><label>LC Class. No.: </label>FIL VK 391  / A87 2000